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Finding the Third Proportional to 1,830 and 3,774

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Solution

The third proportional to 1,830 and 3,774 is: 7,783.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,830 : 3,774 = 3,774 : x
  2. Step 2: Convert to fraction form
    1,830/3,774 = 3,774/x
  3. Step 3: Cross multiply
    1,830x = 3,774 × 3,774
  4. Step 4: Simplify right side
    1,830x = 14,243,076
  5. Step 5: Solve for x
    x = 14,243,076/1,830
  6. Step 6: Final answer
    x = 7,783.10

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.